Baker went on to become a member of the musical group Sha Na Na, doing vocals and playing sax. He toured with the group, and appeared with them on the television series, Sha Na Na, which aired from 1978-1981. He was also in the movie Grease with them, singing lead on the song, Blue Moon. He appeared in several other movies with the group, as well.
Where he is now
Baker retired in 2000 to Martha's Vineyard in Massachusetts, but still performs in concert on occasion, as of August 2007.
- 1972 - Dynamite Chicken - as himself with Sha Na Na
- 1978 - Grease - with Sha Na Na as Johnny Casino and the Gamblers
- 1994 - Woodstock Diary - as himself with Sha Na Na
- 2003 - Festival Express - as himself with Sha Na Na